Device for charging furnaces, gas-generators, &amp;c.



PATENTED MAY 14, 1907.

H. RBHMANN. DEVICE FOR OHARGING PURNACES, GAS GENERATORS APPLICATION FILED AUG. 24, 1906.

2 SHEETSSHEET 1.

No. 853,420, PATENTBD MAY 14, 1907. H. REHMANN.

DEVICE FOR CHARGING FURNACES, GAS GENERATORS, 6m.

APPLICATION FILED AUG. 24, 1906 2 BKBETS-BHEET 2.

UNITED STATES PATE NT OFFICE.

HUGO REIIMANN, OF MUL'HEIM-ON-THE-1tUHR, GERMLAN Y.

DE VlCE FOR CHARGING FURNACES, GAS-GENERATORS, &C.

Patented May 14, 1907.

Application filed August 24, 1906. Serial No. 831,943.

Be it known that l, llcoo REHMANN,GiVil g engineer, a subject of the Gcrinan Emperor, and a resident of i\lillll(-l1ll()flill(\-lilllll', Bi'irgcrstrassc H), (h-n'inany, have invented certain ncnqind uscl'ul Improvements in Deviccs l'or Charging Furnaces, Gas-Generators, and the Like, ol" which the following is a specification.

- The invention relates to adevice for-charging material into furnaces. It is especially suitable for charging coal into furnaces. gas generators and the lil The feat urcs of the invention consist lirstly in the novelcoinbination,secondly inthc novel arrangement; and thirdly in the novel formation of.theiindividual parts.

-'.l-hc combination is new in so-far as the ho mm which can he closed at the top" in well-known niaiin er is provided at its-outlet intlie lower=ipart with a closing device; fur' therdirectly int-he hopper itself. there is iaf crushing device arranged forit-lie. coal, am under the outlet,- wliiich is from time-to time closed, a-noveldistributing: device is-arrangnid for the material falling" into thefurnace. The new arrangement of the parts lies chiefly. intheaccommodationof the crushing incch. anism inthe. upper part ofthe hopper itself, and further inthe situation of the cut-oil for the hopper outlet working-up and down on the's'haft of the distributer, "The new formation -01 the- .dividua-l parts is sliown'in' the following d esc-rip tion", liavii'ig referenceto theaccompanyin'g:drawings;

Figure I is a partial vertical section through the newdevice. Fig. 2 shows-in vertical section a special formation andarrangement ofthe crushingmechanism. rig. Bel-rows in vertical sectionan enlarged view -of-the cut oil for the outlet of the hoppcrin the closed position. Figs. -4 and 5 are enlarged representations of the-individualparts of'the distributing mecha'nisml The hopper of circular cross section con-. sists of-the fixed-u )per part l-,- the rotatable middle part 2 and the-fixed lower part-"3. The upper p'art-I- and therefore-thewhole hopper can be closed by means of the covcr-4 which dips in we'll-known manner into the water-seal 5. The upper part I dips witl-iits wall 6 into the water-seal? of the middle part 2, so that between the-parted. and-'2 of the hop er a perfect seal against the escape of gas is formed. In the same way the nnddle part 2 dips with itsfienge 8-, into the water- 1 seal 9 o l" the lower part 3, so that also between parts 2 and 3 a perfect seal against the escape o'i'gas is formed.

The turning oi the middle part :2 can be acplishedby incans of an suitable cont-rivancc. lirthe example given in Fig), 1'-t.l\is turning is i)I'()(lL l(((l' by means ol a cog-wheel 1U litlcd on the outer 'circ-uin'ferci'ice ol' the middle part 31 v A ratchet-Wheelll engages witlitlie cog-wheel .10, and is made lo rotate by means oi =thc clutch 12, and the rods 13' and 1 4 lroin-thc driving i'nechanisin 1:").

- Inside the upper part 1 of the hopper the crusher 16 is litted. The crusher 1.6 is fixed on the. middle part 2 which turns on the ball bearings 20. The-crusher is provided on its working face with projections 17 in the'forni' oi ribsgledges, o1 teeth. The crusher 16 can be made conical as shown in Fig. 1, where it is situated concentrically to part 1. The crusher 1 6 can however also be made cylin drica'l and arranged eccentrically to-part 1,- as shown in Fig. 2. In both cases the crusher has a circular cross section: it can however also be constructed ol polygonal fornrjpr in one or more places he provided with t-U(Ol1t-Ii0il;l projections. 1

'l l-ienotation cah, as in the example-given in the drawings, he brought about through the breaker; the arrangement hmvcvcr can also-bomado, that part l rotatcs round the breaker, While. th'e'datter reniains still or if necessary rotates in the sameor thccppositc sense. in each case the chargingmaterial will-be crushed, hetore itfalls into the; lower part of the hopper and from-here-mto -the furnace.

:The Iinsidewall otthe upper partl possesses an appropriate funne shaped declivityor construction 18, and is also like the eruslmr 16 provided with projectionsin the fOFlIl of ribs, ledges. or teeth, in-"11168115- of which the crush'ingpl the 'i'naterial iLt-KQ-lcrated, and carried out in an eflicientmanner. In order to prevent the escape'o'l gas .i'roni the furnace during the charging thehopper can be closed at times not only from air-we, but also at itszcxit underneath; To the To tatable middle part 2 attsichcdatright angles'thc axle or shaft '31-, on the lower-end of which the distributor 313 lli Siillt't-ifit l. ---()n the shaft 21 is-sihratcd the gas cut-oft 23 which cmrheinoverl up and down air-.lcd by: the suitably wide boring 29. The part 23 is moved. by means of the lever 25 pivoted at 24; the lever can be provided with a counter Ill lIO

poise 26, so that the cut-oil 23 ordinarily remains open.

The hopper when charging is closed above by means of the cover 4 (Fig. 1.): the cutoil 33 is in this caseopened.

If the hopper is to be refilled the cut-off .23 which has a suitable double conical form is brought down with its surface 27 on to t-he edge 2% ol" the outlet. The projection 30 of the shaft or axle 2], which in consequence of the rotation of part 3 i tseli' turns and rotates the distributer 22, engages with the surface 31 of the cut-off 23. In this way the best possible gas-tight closure is effected, without the easy movement of the part 23 up and down, or the rotabilitv of the shaft 2], and

therefore the distributor 22, being hii' dei'edi After the lowering of the cut-off 23 the cover 4 is raised, and the charging of the hopper accomplished. After closing again with the cover 4, part 23 is again raised by means of the lever 25 (Fig. 1.) and in this position is held by the weight 26 until the next charging. In this way at each recharging only that volume of gas can escape which is inclosed between the cut-01f 23 and. the cover 4.

' Under the outlet oi. the hopper the (HS tributing device 22 is arranged. This distributer rotates in exact agreement with the nnldle part 2 because it is in rigid connection with'it through its axle or shaft 21.

The distributer has the form of a cone, which is cut oii in a plane oblique to its verti- (ta-l axis. The lower surface 32 of the distribnter is therefore at all points of its circumference situated at a different distance from the point of the cone; on the outer surface of the cone are also formed slanting surfaces of different lengths, which all possess the same angle of inclination. The object of this con struction is to bring about a perfect distribution of the falling material.

it obvious that the construction of the new charginp device, shown in the drawing may be modified without leaving, the scope of the invention.

YVhat I claim as my invention, and to secure by Letters Patent is i 1 In a device for charging furnaces, gas

desire generators and the like, the combination of a f hopper with a ciosable top, means for crush ing the coal in this hopper, ado-vice for per]- g'idically closing the lower part of the hopper, and a device for distr buting the coal at the purpose specified.

2. 'In a device for charging iurnaces, gas

. generators and the lilge the conibimrtion ofa hopper divided into three parts, and closable at the top, projections o-n'the surface .otthe' new: fixed part thethopper, a'crusher fixed on the rotatable middle. part of the said hopper, projections on the surface of the crusher, means for moving the middle part of the hopper, means for periodically closing the lower fixed part of the hopper, and means for distributing the crushed coal at the outlet, substantially as described, and for the purpose specified.

3. In a device for charging furnaces, gas generators, and the like, the combination ola hopper divided into three parts with a closable top, p1'(. jections on the inner surface of the upper fixed part of the hopper, means for moving the rotatable middle part of the hopper, a rotatable crusher of eccentric form in the upper part of the hopper, prop-Actions on the sni'l'ai'c ol' the crusher, means for periodi('all closing the lower part ol the hopper, and lnoans lor distributing the crushed coal at the outlet, substantially as described, and for the purpose specified.

4. In a device for charging furnaces, gas generators and the like, the combination of a hopper divided into three parts, and closable at the top, a device for crushing the coal in this hopper, an axle fixed to the rotatable middle part of the hopper, a distributing device on the lower end of this axle, a closing device in the lower part of the hopper moving vertically on the said axle, means for moving the closing device, and means For attaining a gas-tight seal between the closing device in the lowered position, the outlet of the'hopper, and the said axle, substantially as described, and for the purpose specified.

5. In. a device for charging furnaces, gas generators and the like, the combination of a hopper divided into three parts and closable at the top, a device for crushing the coal in the hopper, a device for periodically closing the l( )wer part of the hopper, an axle on the rotatable middle part of the hopper for guid ing the said closing device and for hearing and moving the distributing device, means for moving the middle part of the hopper with the crushing mechanism and the distributing device, a closing surface at the lower end of the bore of the closing device, a ilistributer in the form of a cone truncated obliquely :to its vertical axis fixed on the lower end of the said rotatable axle, and slanting surfaces of difi'erent lmigtlis on said distributer having the same angle of inclination, substantially as described, and for the i purpose specified. outlet, substantially as described and {or the f In tostinionf, whereof I have hereunto I signed my name this fourth day of August 1906, in the presence of two subscribing wit- 

